All participants were residents of their respective areas of Finland. No information on the ethnic background of participants has been provided.
Diagnosis & Evaluation Methods
For a detailed description, please see Kivipelto et al. 2001.
Kivipelto M, Helkala EL, Hänninen T, Laakso MP, Hallikainen M, Alhainen K, Soininen H, Tuomilehto J, Nissinen A. Midlife vascular risk factors and late-life mild cognitive impairment. Neurology. 2001;56:1683-1689.
Puska P, Tuomilehto J, Salonen J, Neittaanmaki L, Maki J, Virtamo J, et al. Changes in coronary risk factors during comprehensive five-year community programme to control cardiovascular diseases (North Karelia project). Br Med J. 1979 Nov 10;2(6199):1173-1178.
Vartiainen E, Puska P, Jousilahti P, Korhonen HJ, Tuomilehto J, Nissinen A. Twenty-year trends in coronary risk factors in north Karelia and in other areas of Finland. Int J Epidemiol. 1994 Jun;23(3):495-504.